How severe is CVE-2025-29512?

CVE-2025-29512 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-29512 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-29512?

CVE-2025-29512 affects Nodebb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-29512?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-29512 have an EU (EUVD) identifier?

Yes. CVE-2025-29512 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11886.

When was CVE-2025-29512 published?

CVE-2025-29512 was published on 2025-04-18 and last updated on 2026-07-05.

CVE-2025-29512

CVE-2025-29512 is a medium-severity vulnerability in Nodebb with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-11886
Weakness: CWE-79
Affected product: Nodebb
Published: 2025-04-18
Last modified: 2026-07-05

Description

Cross-Site Scripting (XSS) vulnerability in NodeBB v4.0.4 and before allows remote attackers to store arbitrary code and potentially render the blacklist IP functionality unusable until content is removed via the database.

Frequently asked questions

What is CVE-2025-29512?: Cross-Site Scripting (XSS) vulnerability in NodeBB v4.0.4 and before allows remote attackers to store arbitrary code and potentially render the blacklist IP functionality unusable until content is removed via the database.
How severe is CVE-2025-29512?: CVE-2025-29512 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-29512 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-29512?: CVE-2025-29512 affects Nodebb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-29512?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-29512 have an EU (EUVD) identifier?: Yes. CVE-2025-29512 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11886.
When was CVE-2025-29512 published?: CVE-2025-29512 was published on 2025-04-18 and last updated on 2026-07-05.

References

https://www.tonysec.com/posts/cve-2025-29512/

EU advisories (EUVD)

http://nodebb.com

Affected products (1)

cpe:2.3:a:nodebb:nodebb:*:*:*:*:*:*:*:*

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